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Radiant|Lab Grown|IGI

5.08ct D FL Radiant Lab Grown Diamond

EX • D/FL • IGI LG821639485

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG821639485

Diamond specifications and retailer prices

From HK$82,631 HKD
$10,532 USD
As of October 30, 2026
Save HK$206,738 HKD (71%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$289,369 HKD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 5.08ct lab-grown radiant diamond

This 5.08ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG821639485 or 821639485. Listed at 13 retailers as of October 30, 2026, with prices from HK$82,631 to HK$289,369, a HK$206,738 spread on the same certified stone. Taylor and Hart lists it at HK$289,369. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

5.08
Carat
D
Colour
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.7°
Pavilion angle32.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821639485
Dimensions12.49 × 8.62 × 5.56 mm
L/W Ratio1.45
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.49 mm8.62 mm5.08 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821639485
Side View
Table 62.0%Crown 40.7°Girdle: Slightly ThickPavilion 32.7°Culet: NoneDepth 64.5%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: HK$134,240 HKD|Low: HK$82,631 HKD|High: HK$517,973 HKD|Avg: HK$183,049 HKD|-39.0%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 30, 2026
Retailer 10HK$82,631 HKD
Retailer 12HK$88,256 HKD
Retailer 2HK$92,367 HKD
Retailer 9HK$94,658 HKD
Retailer 5HK$112,981 HKD
Retailer 1HK$134,240 HKD
Retailer 7HK$149,929 HKD
Retailer 8HK$159,586 HKD
Retailer 4HK$173,657 HKD
Retailer 6HK$192,901 HKD
Retailer 11HK$263,051 HKD
Taylor and HartHK$289,369 HKD
Retailer 3HK$517,973 HKD

37 data points across 13 retailers

13 retailersHK$82,631 HKD to HK$289,369 HKD

A
Cheapest Retailer
-
HK$82,631 HKD
$10,532 USD
A
Retailer 2
-
HK$88,256 HKD
$11,249 USD
View
A
Retailer 3
-
HK$92,367 HKD
$11,773 USD
View
A
Retailer 4
-
HK$94,658 HKD
$12,065 USD
View
A
Retailer 5
-
HK$112,981 HKD
£11,339 GBP
View
A
Retailer 6
-
HK$134,240 HKD
$17,110 USD
View
A
Retailer 7
-
HK$149,929 HKD
£15,047 GBP
View
Retailer 8
-
HK$159,586 HKD
€19,372 EUR
View
Price last confirmed 7 days ago
B+
Retailer 9
-
HK$173,657 HKD
$22,134 USD
View
B+
Retailer 10
-
HK$192,901 HKD
ZAR 397,202 ZAR
View
B
Retailer 11
-
HK$263,051 HKD
$33,528 USD
View
Most Expensive
B
Taylor and Hart
WR52P8Z · Oct 30
HK$289,369 HKD
$36,882 USD
View
11 more retailers have this diamond
Prices start from HK$82,631 HKDSave up to HK$206,738 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
5.08ct Radiant
HK$82,631 HKD